Machida, N Auscultatory and phonocardiographic studies on the cardiovascular system of the newborn thoroughbred foal. [electronic resource] - The Japanese journal of veterinary research Oct 1987 - 235-50 p. digital Publication Type: Journal Article ISSN: 0047-1917 Subjects--Topical Terms: AnimalsAnimals, Newborn--physiologyCardiovascular Physiological PhenomenaDuctus Arteriosus--physiologyHeart Auscultation--veterinaryHeart RateHorses--physiologyPhonocardiography--veterinary